<!-- 课程内容 -->
<template>
  <div class="mod-config">
    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.contentTitle" placeholder="内容标题" clearable></el-input>
        
      </el-form-item>
      <el-form-item>
        <el-popover
          ref="courseListPopover"
          placement="bottom-start"
          trigger="click">
          <el-tree
            :data="courseList"
            :props="courseTreeProps"
            node-key="courseId"
            ref="courseListTree"
            @current-change="courseTreeCurrentChangeHandle"
            :default-expand-all="true"
            :highlight-current="true"
            :expand-on-click-node="false">
          </el-tree>
        </el-popover>
        <el-input v-model="dataForm.parentName" v-popover:courseListPopover :readonly="true"  placeholder="课程"
          class="menu-list__input"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button v-if="isAuth('admin:coursecontent:save')" type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button v-if="isAuth('admin:coursecontent:delete')" type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除</el-button>
      </el-form-item>
    </el-form>
    <el-table
      :data="dataList"
      border
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      style="width: 100%;">
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50">
      </el-table-column>
      <el-table-column prop="courseContentId"  header-align="center"  align="center"  label=""> </el-table-column>
      <el-table-column  prop="contentTitle"  header-align="center"  align="center"  label="内容标题"></el-table-column>
      <el-table-column  prop="imgUrl"  header-align="center"  align="center"  label="缩略图 "> 
        <template slot-scope="scope">
          <img :src="scope.row.imgUrl" height="80" width="100">
        </template>
      </el-table-column>
      <el-table-column prop="contentResourse"  header-align="center"  align="center" label="动画导入"> </el-table-column>
      <el-table-column  prop="contentNo"  header-align="center" align="center"  label="内容序号"></el-table-column>
      <el-table-column  fixed="right" header-align="center" align="center" width="150"  label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.courseContentId)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.courseContentId)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    
  </div>
   
</template>

<script>
  import {treeDataTranslate} from '@/utils'
  export default {
    data () {
      return {
        courseList: [],
        dataForm: {
          parentName: '',
          contentTitle: '',
          courseId: ''
        },
        dataList: [],
        pageIndex: 1,
        pageSize: 10,
        totalPage: 0,
        dataListLoading: false,
        dataListSelections: [],
        // addOrUpdateVisible: false
        courseTreeProps: {
          label: 'courseTitle',
          children: 'children'
        },
      }
    },
    // components: {
    //   AddOrUpdate
    // },
    activated () {
      this.getDataList(),
      this.getTreeList()
      
    },
    methods: {
      //
      getTreeList(){
          this.$http({
          url: this.$http.adornUrl('/admin/course/list'),
          method: 'get',
          params: this.$http.adornParams()
        }).then(({data}) => {
          data.list.push({
            courseId: 0,
            courseTitle: '一级菜单',
            fId: -1
          })
          this.courseList = treeDataTranslate(data.list, 'courseId', 'fId')
        }).then(() => {
          this.visible = true
         
        })
      },
      // 获取数据列表

      getDataList () {

       

        this.dataListLoading = true
        this.$http({
          url: this.$http.adornUrl('/admin/coursecontent/list'),
          method: 'get',
          params: this.$http.adornParams({
            'page': this.pageIndex,
            'limit': this.pageSize,
            'contentTitle': this.dataForm.contentTitle,
            'courseId': this.dataForm.courseId
          })
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.dataList = data.page.list
            this.totalPage = data.page.totalCount
          } else {
            this.dataList = []
            this.totalPage = 0
          }
          this.dataListLoading = false
        })
      },
      // 每页数
      sizeChangeHandle (val) {
        this.pageSize = val
        this.pageIndex = 1
        this.getDataList()
      },
      // 当前页
      currentChangeHandle (val) {
        this.pageIndex = val
        this.getDataList()
      },
      // 多选
      selectionChangeHandle (val) {
        this.dataListSelections = val
      },
      // 新增 / 修改
      addOrUpdateHandle (id) {
        this.$router.push({path: '/coursecontent-add-or-update',query: {id}})
        // this.addOrUpdateVisible = true
        // this.$nextTick(() => {
        //   this.$refs.addOrUpdate.init(id)
        // })
      },
      // 删除
      deleteHandle (id) {
        var ids = id ? [id] : this.dataListSelections.map(item => {
          return item.courseContentId
        })
        this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.$http({
            url: this.$http.adornUrl('/admin/coursecontent/delete'),
            method: 'post',
            data: this.$http.adornData(ids, false)
          }).then(({data}) => {
            if (data && data.code === 0) {
              this.$message({
                message: '操作成功',
                type: 'success',
                duration: 1500,
                onClose: () => {
                  this.getDataList()
                }
              })
            } else {
              this.$message.error(data.msg)
            }
          })
        })
      },
       // 菜单树选中
      courseTreeCurrentChangeHandle(data, node) {
        if (data._level !== 4) {
          this.$message.warning('请选择对应目录')
          return false
        }
        this.dataForm.courseId = data.courseId
        this.dataForm.parentName = data.courseTitle
      },
       // 菜单树设置当前选中节点
      courseListTreeSetCurrentNode() {
        this.$refs.courseListTree.setCurrentKey(this.dataForm.courseId)
        this.dataForm.parentName = (this.$refs.courseListTree.getCurrentNode() || {})['courseTitle']
      },
    }
  }
</script>
